header input {
  height: 80%;
  border: none;
  flex-grow: 1;
  text-indent: 20px;
  margin-right: 15px;
  outline: none;
}
main .list {
  margin-top: 55px;
  background-color: #fff;
}
main .list .item {
  height: 40px;
  border-bottom: 1px solid #e8e8e8;
}
